IP Library › Granted Patent US 12,731,722
Granted Patent B2
US 12,731,722 · App. 17/739,654 · Granted Sep 8, 2026

Coil component

Inventors: Chan Yoon (Suwon-si, KR); Dong Hwan Lee (Suwon-si, KR); Dong Jin Lee (Suwon-si, KR); Boum Seock Kim (Suwon-si, KR)
Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
H01F27/29H01F27/02H01F27/32H01F41/04
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Quick Facts
Patent No.
US 12,731,722
App. No.
17/739,654
Granted
Sep 8, 2026
Kind
B2
Abstract

A coil component includes a body including a first surface and a second surface disposed to oppose each other in a first direction, a first coil unit disposed in the body, and including a support member and a coil pattern disposed on at least one surface of the support member, a second coil unit disposed in the body, and including a wire-wound type coil; and a plurality of external electrodes connected to the first and second coil units, wherein a core axis of the first coil unit is not parallel to a core axis of the second coil unit.

Claims (63)

1 . A coil component comprising:

a body including a first surface and a second surface disposed to oppose each other in a first direction;

a first coil unit disposed in the body, and including a support member and a coil pattern disposed on at least one surface of the support member;

a second coil unit disposed in the body, and including a wire-wound type coil; wherein the wire-wound type coil includes a metal wire in a spiral shape, and

a plurality of external electrodes connected to the first and second coil units,

wherein a core axis of the first coil unit is not parallel to a core axis of the second coil unit.

2 . The coil component of claim 1 , wherein the core axis of the first coil unit is substantially perpendicular to the core axis of the second coil unit.

3 . The coil component of claim 1 , wherein the core axis of the first coil unit is substantially parallel to the first direction.

4 . The coil component of claim 3 , wherein the core axis of the second coil unit is substantially parallel to a second direction perpendicular to the first direction.

5 . The coil component of claim 4 , wherein the first and second coil units are disposed side by side while being spaced apart from each other in the second direction.

6 . The coil component of claim 5 , wherein the plurality of external electrodes include:

a plurality of first external electrodes disposed on a third surface and a fourth surface of the body, respectively, and connected to the coil pattern of the first coil unit, the third surface and the fourth surface of the body opposing each other in a third direction that is perpendicular to both the first and second directions; and

a plurality of second external electrodes disposed on the third surface and the fourth surface of the body, respectively, and connected to the wire-wound type coil.

7 . The coil component of claim 1 , wherein the first and second coil units are disposed side by side while being spaced apart from each other in a second direction perpendicular to the first direction.

8 . The coil component of claim 7 , wherein the core axis of the first coil unit is substantially parallel to the second direction.

9 . The coil component of claim 8 , wherein the core axis of the second coil unit is substantially parallel to the first direction.

10 . The coil component of claim 9 , wherein the plurality of external electrodes include:

a plurality of first external electrodes disposed on a third surface and a fourth surface of the body, respectively, and connected to the coil pattern of the first coil unit, the third surface and the fourth surface of the body opposing each other in a third direction that is perpendicular to both the first and second directions; and

a plurality of second external electrodes disposed on the third surface and the fourth surface of the body, respectively, and connected to the wire-wound type coil.

11 . The coil component of claim 1 , wherein the second coil unit includes an insulating portion contacting a lead-out portion of the wire-wound type coil.

12 . The coil component of claim 11 , wherein the insulating portion includes the same material as the support member.

13 . The coil component of claim 12 , wherein the insulating portion is thinner than the support member.

14 . The coil component of claim 1 , wherein the coil pattern of the first coil unit is a plating pattern.

15 . The coil component of claim 1 , wherein the second coil unit further includes a filling portion filling a core region of the wire-wound type coil.

16 . The coil component of claim 15 , wherein the filling portion and the body include the same magnetic material.

17 . The coil component of claim 16 , wherein an interface is formed between the filling portion and the body to distinguish the filling portion and the body from each other.

18 . A coil component comprising:

a body;

a thin-film type inductor disposed in the body;

a wire-wound type coil disposed in the body; wherein the wire-wound type coil includes a metal wire in a spiral shape, and

a plurality of external electrodes connected to the thin-film type inductor and the wire-wound type coil,

wherein a core axis of the thin-film type inductor is substantially perpendicular to a core axis of the wire-wound type coil.

19 . The coil component of claim 18 , wherein the thin-film type inductor includes a support member and a coil pattern disposed on at least one surface of the support member.

20 . The coil component of claim 18 , wherein the body includes a first surface and a second surface disposed to oppose each other in a first direction, and

the thin-film type inductor and the wire-wound type coil are disposed side by side while being spaced apart from each other in a second direction perpendicular to the first direction.

21 . The coil component of claim 20 , wherein the core axis of the thin-film type inductor is substantially parallel to the first direction, and

the core axis of the wire-wound type coil is substantially parallel to the second direction.

22 . The coil component of claim 21 , wherein the plurality of external electrodes include:

a plurality of first external electrodes disposed on a third surface and a fourth surface of the body, respectively, and connected to a coil pattern of the thin-film type inductor, the third surface and the fourth surface of the body opposing each other in a third direction that is perpendicular to both the first and second directions; and

a plurality of second external electrodes disposed on the third surface and the fourth surface of the body, respectively, and connected to the wire-wound type coil.

23 . The coil component of claim 20 , wherein the core axis of the thin-film type inductor is substantially parallel to the second direction, and

the core axis of the wire-wound type coil is substantially parallel to the first direction.

24 . The coil component of claim 23 , wherein the plurality of external electrodes include:

a plurality of first external electrodes disposed on a third surface and a fourth surface of the body, respectively, and connected to a coil pattern of the thin-film type inductor, the third surface and the fourth surface of the body opposing each other in a third direction that is perpendicular to both the first and second directions; and

a plurality of second external electrodes disposed on the third surface and the fourth surface of the body, respectively, and connected to the wire-wound type coil.

25 . A coil component comprising:

a body including a first surface and a second surface disposed to oppose each other in a first direction;

a first coil unit disposed in the body;

a second coil unit, which is a different type from the first coil unit, disposed in the body and spaced apart from the first coil unit in a second direction perpendicular to the first direction; and

a plurality of external electrodes connected to the first and second coil units,

wherein a core axis of one of the first and second coil units is substantially parallel to the first direction, the second coil unit includes a wire-wound type coil, wherein the wire-wound type coil includes a metal wire in a spiral shape, and

a core axis of a remaining one of the first and second coil units is substantially parallel to the second direction.

26 . The coil component of claim 25 , wherein the first coil unit includes a thin-film type inductor comprising a support member and a coil pattern disposed on at least one surface of the support member.

27 . The coil component of claim 26 , wherein a core axis of the first coil unit is substantially parallel to the first direction, and

a core axis of the second coil unit is substantially parallel to the second direction.

28 . The coil component of claim 27 , wherein the plurality of external electrodes include:

a plurality of first external electrodes disposed on a third surface and a fourth surface of the body, respectively, and connected to the coil pattern of the first coil unit, the third surface and the fourth surface of the body opposing each other in a third direction that is perpendicular to both the first and second directions; and

a plurality of second external electrodes disposed on the third surface and the fourth surface of the body, respectively, and connected to the second coil unit.

29 . The coil component of claim 26 , wherein a core axis of the first coil unit is substantially parallel to the second direction, and

a core axis of the second coil unit is substantially parallel to the first direction.

30 . The coil component of claim 29 , wherein the plurality of external electrodes include:

a plurality of first external electrodes disposed on a third surface and a fourth surface of the body, respectively, and connected to the coil pattern of the first coil unit, the third surface and the fourth surface of the body opposing each other in a third direction that is perpendicular to both the first and second directions; and

a plurality of second external electrodes disposed on the third surface and the fourth surface of the body, respectively, and connected to the second coil unit.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 9, 2022
From: YOON, CHAN; LEE, DONG HWAN; LEE, DONG JIN; KIM, BOUM SEOCK
To: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Reel/Frame 059912/0651 →
Priority Claims (1)
KR 10-2021-0091075 · Jul 12, 2021 · national
Continuity (1)
Related Publication 20230008016A1 · Jan 12, 2023
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